Can you please correct my letter?

[*m*]

Dear Sir or Madam,

I am interested to conversation course that you provide in your institute.

I would like to be informed to registration dates during the summer and more information about it.

Could you please send it to my email?

Yours faithfully,

[Tdol]

interested in the conversation

I would like to know details of registration dates, prices, etc

[*m*]

Thank you Tdol for editing my letter